13. Air Management - Navistar International DT 466 Diagnostic/Troubleshooting Manual

13. Air Management

Figure 326
Purpose
To determine if intake, exhaust, VGT, and EGR
systems are working correctly
NOTE: Before doing this test, make sure tests 1
through 12 were completed.
systems (injectors, fuel supply, etc.) can affect air
management test results.
Tools
• EST with MasterDiagnostics® software
• EZ-Tech® interface cable
Procedure
WARNING: To avoid serious personal injury,
possible death or damage to the engine or
vehicle, read all safety instructions in the "Safety
Information" section of this manual.
WARNING: To avoid serious personal injury,
possible death or damage to the engine or vehicle
– comply with the following:
When running the engine in the service bay, make
sure the parking brake is set, the transmission is
in neutral, and the wheels are blocked.
NOTE: The KOEO Injector Test can only be done with
the EST using MasterDiagnostics® software.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
6 PERFORMANCE DIAGNOSTICS
Problems with other
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
Figure 327 KOER Air Management.ssn
1. Open D_KOER_AirManagement.ssn to monitor
engine operation.
Figure 328 Air Management Test
2. Select Diagnostics from menu bar.
3. Select Key-On Engine-Running Tests from the
drop down menu.
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